###############################################################################
# Copyright IBM Corp. and others 2015
#
# This program and the accompanying materials are made available under
# the terms of the Eclipse Public License 2.0 which accompanies this
# distribution and is available at https://www.eclipse.org/legal/epl-2.0/
# or the Apache License, Version 2.0 which accompanies this distribution
# and is available at https://www.apache.org/licenses/LICENSE-2.0.
#
# This Source Code may also be made available under the following Secondary
# Licenses when the conditions for such availability set forth in the
# Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
# version 2 with the GNU Classpath Exception [1] and GNU General Public
# License, version 2 with the OpenJDK Assembly Exception [2].
#
# [1] https://www.gnu.org/software/classpath/license.html
# [2] https://openjdk.org/legal/assembly-exception.html
#
# SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
###############################################################################

# Detect 64-bit vs. 31-bit
ifneq (,$(findstring -64,$(SPEC)))
  TEMP_TARGET_DATASIZE:=64
else
  TEMP_TARGET_DATASIZE:=31
endif

include $(CONFIG_INCL_DIR)/configure_common.mk

# Notes (on disabled flags):
# OMR_THR_SPIN_WAKE_CONTROL flag is disabled on zOS due to poor performance.

CONFIGURE_ARGS += \
  --enable-OMR_THR_THREE_TIER_LOCKING \
  --enable-native-encoding

ifeq (zos_390-64_cmprssptrs, $(SPEC))
  CONFIGURE_ARGS += \
    --enable-OMRTHREAD_LIB_ZOS \
    --enable-OMR_ARCH_S390 \
    --enable-OMR_ENV_DATA64 \
    --enable-OMR_PORT_CAN_RESERVE_SPECIFIC_ADDRESS \
    OMR_GC_POINTER_MODE=compressed
endif

ifeq (zos_390-64, $(SPEC))
  CONFIGURE_ARGS += \
    --enable-OMRTHREAD_LIB_ZOS \
    --enable-OMR_ARCH_S390 \
    --enable-OMR_ENV_DATA64 \
    --enable-OMR_PORT_CAN_RESERVE_SPECIFIC_ADDRESS
endif

ifeq (zos_390, $(SPEC))
  CONFIGURE_ARGS += \
    --enable-OMRTHREAD_LIB_ZOS \
    --enable-OMR_ARCH_S390 \
    --enable-OMR_PORT_ZOS_CEEHDLRSUPPORT \
    --enable-OMR_PORT_CAN_RESERVE_SPECIFIC_ADDRESS
endif

CONFIGURE_ARGS += libprefix=lib exeext= solibext=.so arlibext=.a objext=.o

CONFIGURE_ARGS += 'AS=c89'
CONFIGURE_ARGS += 'CC=c89'
CONFIGURE_ARGS += 'CXX=cxx'
#CONFIGURE_ARGS += 'CPP=$$(CC) -P'
CONFIGURE_ARGS += 'CCLINKEXE=$$(CC)'
CONFIGURE_ARGS += 'CCLINKSHARED=cc'
CONFIGURE_ARGS += 'CXXLINKEXE=cxx' # plus additional flags set by makefile
CONFIGURE_ARGS += 'CXXLINKSHARED=cxx' # plus additional flags set by makefile
CONFIGURE_ARGS += 'AR=ar'

CONFIGURE_ARGS += 'OMR_HOST_OS=zos'
CONFIGURE_ARGS += 'OMR_HOST_ARCH=s390'
CONFIGURE_ARGS += 'OMR_TARGET_DATASIZE=$(TEMP_TARGET_DATASIZE)'
CONFIGURE_ARGS += 'OMR_TOOLCHAIN=xlc'
